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Finding the Fourth Proportional to 350.16, 483.16 and 225.80

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Solution

The fourth proportional to 350.16, 483.16 and 225.80 is: 311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.16 : 483.16 = 225.80 : x
  2. Step 2: Convert to fraction form
    350.16/483.16 = 225.80/x
  3. Step 3: Cross multiply
    350.16x = 483.16 × 225.80
  4. Step 4: Simplify right side
    350.16x = 109,097.53
  5. Step 5: Solve for x
    x = 109,097.53/350.16
  6. Step 6: Final answer
    x = 311.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.